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Message: [QUOTE="Northwoods2002, post: 959073, member: 14449"] New here, but plan to stay! I'm a high school autos teacher so I have access to a lot of neat toys some of you guys don't have... Bought a 2002 F250 Lariat w/7.3 4R100. Bought it with 300k on the ticker and a week later did a total rebuild of the 4r100 (all the good mods). HOWEVER I've had this P1272 since I bought it. I am new to the diesel world... Pulled the plug at the IDM and tested the harness, all under 5ohms, all within .5 ohms of each other. Pulled the drivers side cover and harness looked relatively new. I've done several Buzz tests and Contribution tests. Buzz tests come back with P1272 although all injectors fire and sound the same, CCT comes back with only Cyl #8 (which is typical). Has the slightest rough idle that you can hardly detect otherwise it runs well (towed a Pacifica 100ish miles and got 12.5mpg towing). Am I looking at a bad injector? Its my DD and can't really afford to have it down. [/QUOTE]

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